A 400-year-old coded text found at the Vatican Library is among the historic documents and messages that are being cracked ...

You could do worse than to confuse the meanings of "code" and "cipher"—even cryptographers sometime use the terms as though they had the same meaning. There is, however, a definite distinction between ...

Here's your chance to crack ciphers similar to those Bletchley Park's codebreakers faced during World War II. Below, we present three ciphers of different levels of difficulty, from easiest to most ...

SARASOTA -- Roberta Ballantine flips open a manila file folder, exposing words she believes were written in secret 400 years ago. At first glance, they look like a ransom note: capital letters cut out ...